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807/211 Biology & Control of Powdery Scab

Publication Date: 
17 August 2011
Author/Contact :
Author/Contact: 
Stuart Wale

Contractor :
Contractor: 
SAC & JHI

Full Research Project Title: Epidemiology, autecology and control of Spongospora subterranea, cause of potato powdery scab
Duration: October 1999 - September 2002

Aim: To provide a better understanding of the epidemiology of powdery scab and to evaluate the effectiveness of a range of chemical, biological and cultural treatments.

This project, which was jointly funded by the AHDB Potatoes and SEERAD, aimed to provide a better understanding of the epidemiology of powdery scab. A range of chemical, biological and cultural treatments were also evaluated for their effectiveness against the pathogen.

The single most effective control measure was varietal resistance. Fluazinam incorporated into soil was the most effective chemical control option. A specific off-label approval for the use of Shirlan on seed crops to control powdery scab was granted in Spring 2006.

The molecular diagnostic methods developed in the project are being used in the related, ongoing project R253.

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